how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
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how to deside the capacity of chock for drive?
how you connect the induction motor first in star and then delta in star-delta starter
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
what the good value of earth resistance test
which capacity of RCCB used for five thousand watt electricity load?
What are the precautions to be taken before working on a cable?
Why (In India) we preferably go for +-30 deg connection of transformer? what are the advantages in this connection?
THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS
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why we used stone chips under the transformer area..
I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?
Is it benefitial to supply 210v ac to lighting fixtures instead of 240v ac?
Hello,l am complete dip and i was working maintance in ht dep again i study b.e completed again one year exp in ht totally two year i am ealigble in c license
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